# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        博智科技  
# Name:         demo0521
# Description:
# Author:       yzl
# Date:         2019-02-27
#-------------------------------------------------------------------------------


str = 'hello,%s'
print(str % '言先生')


str1 = 'age:%d'
print(str1 % int('30'))

